2122111000111 has 8 divisors (see below), whose sum is σ = 2214423652320. Its totient is φ = 2029802260992.

The previous prime is 2122111000099. The next prime is 2122111000151. The reversal of 2122111000111 is 1110001112212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2122111000111 - 2²⁷ = 2121976782383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122111000091 and 2122111000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122111000151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158035 + ... + 2066203.

It is an arithmetic number, because the mean of its divisors is an integer number (276802956540).

Almost surely, 2^{2122111000111} is an apocalyptic number.

2122111000111 is a deficient number, since it is larger than the sum of its proper divisors (92312652209).

2122111000111 is a wasteful number, since it uses less digits than its factorization.

2122111000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956545.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2122111000111 its reverse (1110001112212), we get a palindrome (3232112112323).

The spelling of 2122111000111 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred eleven", and thus it is an aban number.